The Crime Doctor

Few characters arrive with such an air of dark authority as The Crime Doctor, who made their DC Universe debut in 1985's Who's Who: The Definitive Directory of the DC Universe #5, brought to life by the legendary Len Wein. This Bronze Age figure inhabits the shadowy corners of Gotham, sharing pages with heavyweights like Batman, Robin, Bruce Wayne, and the monstrous Clayface across appearances in Detective Comics and the acclaimed Batman: The Long Halloween - The Last Halloween. With a publishing span stretching from 1985 all the way to 2026 and a collector-recognized key issue to their name, The Crime Doctor is a quietly enduring presence in DC's darker mythology — the kind of villain whose limited appearances only sharpen their mystique.